/**
* Write a line to the file. The file handler will be opened automatically if it hasn't been opened yet.
* This method is binary safe.
*
* @param string $str The string to write to the file.
*/
public function writeLine($str)
{
// Write a line to the file
$this->write($str . FileHelper::getNewLineChar());
}
/**
* Check whether the file is valid. The file doesn't need to exist.
* The file may not be an existing directory or symbolic link.
*
* @return bool True if the file seems to be valid, false otherwise.
*/
public function isValid()
{
return FileHelper::isValid($this);
}
